mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-11-15 04:35:17 +00:00
82 lines
1.9 KiB
Go
82 lines
1.9 KiB
Go
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//
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// Copyright Coinbase, Inc. All Rights Reserved.
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package bbs
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import (
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"testing"
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"github.com/stretchr/testify/require"
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"source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/core/curves"
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)
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func TestSignatureWorks(t *testing.T) {
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curve := curves.BLS12381(&curves.PointBls12381G2{})
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msgs := []curves.Scalar{
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curve.Scalar.New(3),
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curve.Scalar.New(4),
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curve.Scalar.New(5),
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curve.Scalar.New(6),
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}
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pk, sk, err := NewKeys(curve)
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require.NoError(t, err)
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generators, err := new(MessageGenerators).Init(pk, 4)
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require.NoError(t, err)
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sig, err := sk.Sign(generators, msgs)
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require.NoError(t, err)
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err = pk.Verify(sig, generators, msgs)
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require.NoError(t, err)
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}
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func TestSignatureIncorrectMessages(t *testing.T) {
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curve := curves.BLS12381(&curves.PointBls12381G2{})
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msgs := []curves.Scalar{
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curve.Scalar.New(3),
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curve.Scalar.New(4),
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curve.Scalar.New(5),
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curve.Scalar.New(6),
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}
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pk, sk, err := NewKeys(curve)
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require.NoError(t, err)
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generators, err := new(MessageGenerators).Init(pk, 4)
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require.NoError(t, err)
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sig, err := sk.Sign(generators, msgs)
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require.NoError(t, err)
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msgs[0] = curve.Scalar.New(7)
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err = pk.Verify(sig, generators, msgs)
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require.Error(t, err)
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}
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func TestSignatureMarshalBinary(t *testing.T) {
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curve := curves.BLS12381(&curves.PointBls12381G2{})
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msgs := []curves.Scalar{
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curve.Scalar.New(3),
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curve.Scalar.New(4),
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curve.Scalar.New(5),
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curve.Scalar.New(6),
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}
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pk, sk, err := NewKeys(curve)
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require.NoError(t, err)
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generators, err := new(MessageGenerators).Init(pk, 4)
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require.NoError(t, err)
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sig, err := sk.Sign(generators, msgs)
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require.NoError(t, err)
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data, err := sig.MarshalBinary()
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require.NoError(t, err)
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require.Equal(t, 112, len(data))
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sig2 := new(Signature).Init(curve)
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err = sig2.UnmarshalBinary(data)
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require.NoError(t, err)
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require.True(t, sig.a.Equal(sig2.a))
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require.Equal(t, sig.e.Cmp(sig2.e), 0)
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require.Equal(t, sig.s.Cmp(sig2.s), 0)
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}
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